Young Min Choi, Seung Yup Ku, Ho Jin Chae, Hyeon Jeong Jeong, Ki Dong Kim, Hoon Kim, Jeong Hwa Kim, Tai June Kim, Hyun Hoon Chung, Chang Suk Suh, Seok Hyun Kim, Jung Gu Kim, Shin Yong Moon, Jin Yong Lee
Korean J Obstet Gynecol. 2001;44(10):1834-1837. Published online October 1, 2001